G gretl developers (Allin Cottrell, Riccardo Lucchetti) · Econometrics & causal inference
Free, GPL-licensed cross-platform econometrics program with a GUI, the hansl scripting language and estimators for time series, panels and limited dependent variables
GPL-3.0-only Free Open source Local Nov 2, 2026J JabRef e.V. and contributors · Citation management
Open-source, BibTeX/biblatex-native reference manager for LaTeX users with online fetchers, groups, file linking and editor integration
MIT Free Open source Local Nov 2, 2026T TeXstudio contributors · LaTeX & typesetting
Open-source desktop LaTeX editor with integrated PDF viewer, autocompletion, wizards, spell checking and a structure view for Windows, macOS and Linux
GPL-3.0-only Free Open source Local Nov 2, 2026Z Corporation for Digital Scholarship · Citation management
In-depth entry Free, open-source reference manager with browser connectors, word-processor plugins, a PDF reader, group libraries and optional paid file storage
AGPL-3.0-only Free Open source Local Nov 2, 2026